Biology · Science General

Diversity in Living Organisms

3,829 Questions

The diversity in living organisms deals with the classification of life forms into various kingdoms and phyla. This topic covers specific traits of bacteria, animal body cavities, and structural adaptations for survival. These fundamentals are crucial for biology sections in medical entrance and state board exams.

Animal phyla characteristicsBacteria and flagellaBiological adaptationsKingdom Animalia classificationBody cavity typesExtinct organism subphylaJawless animals identification

Diversity in Living Organisms Questions

Multiple choice

Which of the following organisms is also known as blue green alga?

  1. Cyanobacterium

  2. Rhodospirillum

  3. Green bacterium

  4. Purple bacterium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Because they are photosynthetic and aquatic, cyanobacteria are often called "blue-green algae". This name is convenient for talking about organisms in the water that make their own food, but does not reflect any relationship between the cyanobacteria and other organisms called algae.

Multiple choice

The mode of nutrition in amoeba is

  1. autotrophic

  2. heterotrophic

  3. mixotrophic

  4. holozoic
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 The mode of nutrition in amoeba is holozoic.Holozoic nutrition is a type of heterotrophic nutrition that is characterized by the internalization (ingestion) and internal processing of liquids or solid food particles.

Multiple choice

How can fungi be distinguished from algae?

  1. Mitochondria is absent in fungi.

  2. Ribosomes are present in fungi.

  3. Nucleus is present in fungi.

  4. Chlorophyll is absent in fungi.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fungus can be differentiated from algae on the basis of pigment chlorophyll. This pigment is absent in fungi.

Multiple choice

Which of the following options is a characteristic feature of mammals?

  1. Warm blooded

  2. Respiration through lungs

  3. Presence of mammary glands

  4. Four chambered heart
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Presence of mammary glands is a characteristic feature of mammals. Mammary glands are the organs that, in the female mammal, produce milk for the sustenance of the young.

Multiple choice

Salamander belongs to the phylum

  1. Pisces

  2. Reptilia

  3. Amphibia

  4. Aves
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Salamander belongs to the phylum Amphibia.They are typically characterized by a superficially lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults.

Multiple choice

Which of the following phylum includes spiny skinned organisms?

  1. Arthropoda

  2. Mollusca

  3. Nematoda

  4. Echinodermata
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Among the given options, phylum echinodermata includes spiny skinned organisms.The adults are recognizable by their (usually five-point) radial symmetry, and include such well-known animals as starfish, sea urchins, sand dollars, and sea cucumbers, as well as the sea lilies or "stone lilies"

Multiple choice

Protistans are connecting link between

  1. plants and animals.

  2. fungi and plants.

  3. monerans and multicellular organisms.

  4. fungi and animals.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Protistans are the connecting link between monerans and multicellular organisms.